Merge branch 'PHP-5.6' into PHP-7.0

Merge branch 'PHP-5.6' into PHP-7.0

* PHP-5.6:
  missed semicolon
  fix C89 conformity
  Fix bug #72293 - Heap overflow in mysqlnd related to BIT fields
  Fix test
  Fix bug #73065: Out-Of-Bounds Read in php_wddx_push_element of wddx.c
  Fix bug #73035 (Out of bound when verify signature of tar phar in phar_parse_tarfile)
  Fix bug #73052 - Memory Corruption in During Deserialized-object Destruction
  Add check in fgetcsv in case sizeof(unit) != sizeof(size_t)
  Fix bug #73029 - Missing type check when unserializing SplArray
  Fix bug #72860: wddx_deserialize use-after-free
  Also fix overflow in wordwrap
  Fix bug #73007: add locale length check
  Add more checks for int overflow
  Fix bug #72928 - Out of bound when verify signature of zip phar in phar_parse_zipfile
  Fix various int size overflows.